Finding the Fourth Proportional to 2,990.16, 4,127.54 and 2,568.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,990.16 : 4,127.54 = 2,568.83 : x
2. Step 2: Convert to fraction form
   2,990.16/4,127.54 = 2,568.83/x
3. Step 3: Cross multiply
   2,990.16x = 4,127.54 × 2,568.83
4. Step 4: Simplify right side
   2,990.16x = 10,602,915.10
5. Step 5: Solve for x
   x = 10,602,915.10/2,990.16
6. Step 6: Final answer
   x = 3,545.94